With its captivating blend of ancient history, sun-drenched beaches, and vibrant Andalusian culture, Cádiz, Spain, stands as one of Europe’s oldest continually inhabited cities. Founded over 3,000 years ago by the Phoenicians, this coastal gem in southern Spain offers a rich tapestry of historical sites and modern charms. The old city of Cádiz is a labyrinth of narrow cobblestone streets, whitewashed houses, and hidden plazas that evoke the city’s Moorish past.

Visitors to this breathtaking and romantic Cyclades archipelago will gaze at the whitewashed cubiform houses sitting cliffside and hovering over the water.

Nestled along the south bank of the Danube, this historical Austrian city bursts with charm. A favorite stop on European river cruises, the city's most famous attraction is Melk Abbey, which dates back to the 11th century. The original Benedictine structure was lost to fires and foreign invasion, then rebuilt during the 18th century in lavish Baroque style, including a library and inner church covered in magnificent frescoes and gilded fixtures.

San Sebastián, or Donostia, is a gem nestled on Spain's northern coast, renowned for its stunning beaches, world-class cuisine, and vibrant cultural scene. With its picturesque bay, La Concha, often ranked among the world's most beautiful city beaches, this Basque city offers a perfect blend of natural beauty and urban sophistication.

Querétaro, located in the heart of central Mexico, is a city where centuries of history are still visible in daily life. Its historic center, a UNESCO World Heritage Site, features narrow streets, elegant plazas, and baroque churches that reflect its colonial past. One of the city’s most iconic landmarks is the massive aqueduct, built in the 18th century with 74 stone arches stretching nearly a mile across the landscape.